Macro Manual Focus Extension Tube Set For Nikon D3100, D3200, D3300, D5100, D5200, D5300, D5500, D7000, D7100, D7200, D90, D300, D600, D610, D700, D750, D800, D800E, D810 Digital SLR Camera Enables Closer Focusing. Getting closer has the effect of magnifying your subject. Convert almost any lens into a macro lens at a fraction of the cost while maintaining its original optical quality. The extension tubes have no glass. The Extension tubes are attached between the camera body and the lens Multiple combinations available for multiple macro effects They are exceptionally useful for macro photography, Shoot your stamps, flowers in your garden, your jewelry collection and many other items.